Hydraulic lifting jack



FIG. 1 is a front view of a hydraulic lifting jack showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top front right perspective view thereof;

FIG. 8 is a top front left perspective view thereof;

FIG. 9 is a top front right perspective view showing the hydraulic lifting jack in an alternate position; and,

FIG. 10 is a top front left perspective view thereof.

The grey values applied to the drawings are to show contrast in appearance. 

CLAIM The ornamental design for a hydraulic lifting jack, as shown and described. 